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Frequency shifting of microwave signals by use of a general temporal self-imaging (Talbot) effect in optical fibers

机译:利用光纤中的一般时间自成像(Talbot)效应对微波信号进行频移

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摘要

A simple and practical microwave frequency-shifting technique based on a general temporal self-imaging (GTSI) effect in optical fiber is proposed, formulated, and experimentally demonstrated. The proposed technique can be applied to an arbitrary periodic microwave signal (e.g., a microwave tone) and provides unparalleled design flexibility to increase the frequency of the input microwave signal up to the desired value (limited only by the photodetector's bandwidth). For instance, we demonstrate frequency upshifting of microwave tones from 10 to 50 GHz and from 40 to 354 GHz. These results also represent what is to the authors' knowledge the first experimental observation of GTSI phenomena. (C) 2004 Optical Society of America.
机译:提出,制定和实验证明了一种基于光纤中一般时间自成像(GTSI)效应的简单实用的微波移频技术。所提出的技术可以应用于任意周期性的微波信号(例如,微波音调),并提供无与伦比的设计灵活性,以将输入微波信号的频率增加到期望值(仅受光电探测器的带宽限制)。例如,我们演示了微波音调从10到50 GHz和从40到354 GHz的频率升频。这些结果也代表了作者对GTSI现象的第一个实验观察结果。 (C)2004年美国眼镜学会。

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